Rice Drought Tolerance Gene gtγ‑2

A gene and rice technology, applied in the field of rice drought tolerance gene GTγ-2, to achieve the effect of improving drought tolerance and showing obvious effects of drought tolerance

Inactive Publication Date: 2017-02-22
YANGTZE UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the drought tolerance function of this gene has not been reported yet

Method used

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  • Rice Drought Tolerance Gene gtγ‑2
  • Rice Drought Tolerance Gene gtγ‑2
  • Rice Drought Tolerance Gene gtγ‑2

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Experimental program
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Embodiment Construction

[0029] The GTγ-2 gene was cloned into pCAMBIAubi1300 transformation vector and introduced into Agrobacterium. Then, the gene is transformed into the rice receptor cell through the method mediated by the Agrobacterium method, and the transgenic plant is obtained through technical means such as tissue culture. Under drought conditions, the GTγ-2 gene can significantly improve the drought tolerance of rice and ensure high and stable yield of rice.

[0030]

[0031]

[0032]

[0033]

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Abstract

The invention relates to a rice drought-resistant gene GT gamma-2, and belongs to the technical field of plant gene engineering. The rice drought-resistant gene GT gamma-2 is characterized in that the DNA sequence of the rice drought-resistant gene GT gamma-2 is as shown in SEQ ID NO:1; the coded amino acid sequence of the GT gamma-2 gene is as shown in SEQ ID NO:2; the rice drought-resistant gene GT gamma-2 belongs to a GT transcription factor supergene family gamma subtribe, contains one SANT domain, is expressed by ABA and drought induction, and has higher expression quantity in rice leaves and low expression quantity in root and stem tissues; the transgenic rice with the GT gamma-2 gene driven by a ubi promoter is obviously enhanced in drought-resistant capacity; the GT gamma-2 gene is sourced from rice, and the transgenic rice is reduced in potential safety hazards of foods. The rice drought-resistant gene GT gamma-2 disclosed by the invention carries out genetic improvement on the drought resistance of rice and other plants, and has very good application prospects.

Description

[0001] Technical field: [0002] The invention relates to rice drought tolerance gene GTγ-2, which belongs to the technical field of plant genetic engineering. [0003] Background technique: [0004] Rice is one of the most important food crops in the world, and about 50% of the world's population depends on it as a staple food. The continuous deterioration of the environment has caused a serious shortage and uneven distribution of global water resources. The increase in global temperature, the decrease and uneven distribution of rainfall have led to frequent droughts. According to statistics, 19-23 million hectares of rice suffer from drought every year in the world. In my country, 37% of the regions have become more arid in the past 60 years. Drought is one of the main limiting factors of rice production; therefore, discovering drought-tolerant genes and applying them to genetic improvement of rice in order to improve the drought resistance of rice is one of the effective w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N15/29C07K14/415A01H5/00
Inventor 杜何为黄敏
Owner YANGTZE UNIVERSITY
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